Add env descriptions to docs #16

	name: Check docs with Vale linter

	on:
	pull_request:
	types: [opened, synchronize]

	jobs:
	vale:
	name: Vale linter
	runs-on: ubuntu-latest
	steps:
	- name: check out repo
	uses: actions/checkout@v3
	with:
	fetch-depth: 2

	- name: get changed files
	id: changed-files
	uses: tj-actions/changed-files@v39
	with:
	fetch_depth: 2

	# run reviewdog and the linter
	- name: run reviewdog and linter
	uses: errata-ai/vale-action@reviewdog
	with:
	files: ${{ steps.changed-files.outputs.all_changed_and_modified_files }}
	separator: ","
	# added, diff_context, file, nofilter
	filter_mode: nofilter
	# github-pr-check, github-pr-review, github-check
	reporter: github-pr-check
	fail_on_error: false
	env:
	# Required, set by GitHub actions automatically:
	# https://docs.github.com/en/actions/security-guides/automatic-token-authentication#about-the-github_token-secret
	GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

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